Product name:  Hirudin

CAS No.:     8001-27-2

Source :       Yeast

Molecular Weight: Approximately 7.0kDa, a single non-glycosylated polypeptide chain containing 63 amino acid residues.

Peptide sequence: VVYTDCTESG QNLCLCEGSN VCGQGNKCIL GSDGEKNQCV TGEGTPGPQS HNDGDFEEPE EYL

2. Specifications

Purity :          ≥95%

Endotoxin Level:  <1EU/ug, determined by the LAL method

Biological Activity: Measured in a chromogenic substrates assay using chrononym TH .The specific activity shall be not less than 1.0 x 10⁴ATU/mg.

3. Preparation and Storage

Formulation:  Sterile liquid, in PBS, pH7.4

Storage:     Hirudin is stable for more than 6 months from date of receipt at -70℃ to -20℃. Avoid repeated freeze-thaw cycles.

4. Description：

Hirudin has a strong inhibitory effect on thrombin. It is the strongest natural specific inhibitor of thrombin found so far. It can effectively resist coagulation and thrombosis, and prevent further blood stasis such as thrombin catalyzed coagulation factor activation and platelet reaction. In addition, it can inhibit the proliferation of fibroblasts induced by thrombin and the stimulation of endothelial cells by thrombin. Compared with heparin, it is not only less, does not cause bleeding, but also does not depend on endogenous cofactors.

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Q1: Can I get some samples?
A: Yes, we can supply the free sample in some peptide, but the shipping cost is paid by your side.

Q2: How do I make an order?
A: Simply click our Head Portraits on the right of the website page.Then,you can talk with us.We will contact you and be happy to assist you with your order.

Q3: How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information.We accept T/T (Telegraphic Transfer),Western Union or Paypal.

Q4: How about delivery lead time?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)

Q5:Is there a discount?
A:Different quantity has different discount.

Q6: How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.  

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